A unique design that provides an unrivaled combination of power and a quiet exhaust note.

The RS-4S features a Polyresonant duplex chamber, a two-staged stepped baffle, and an innovative carbon fiber turn-out end-cap.

FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE.

Features:

• Pentagonal-shaped sleeve
• Front muffler cap functions as a polyresonant chamber which helps reduce noise
• Two-stage stepped baffle
• Turn-out carbon fiber end-cap
• Stainless steel tail-pipe

Availability: From time to time, exhausts may not be readily available instore for shipment and may require backordering from the supplier. It is recommended that you contact us prior to making your purchase to enquire about despatch times.